Integrating Blockchain Technology with Artificial Intelligence to Create Scalable, Reliable, and Open Decision Support Systems

Blockchain Technology (BT) is a promising approach for building scalable & reliable open Decision Support Systems and Artificial Intelligence (AI) could be integrated with BT to present a better approach towards the same. Transparency, trust, data security, and scalability are traditionally regarded as the major deficiencies of DSS models which may impede their efficacy in critical decision-making environments. Seamlessly integrating blockchain with AI-powered DSS can help with data integrity, as well as prevent manipulation and inconsistencies while improving trust with many different stakeholders, because all transactions on a blockchain are transparent immutable, owing to blockchain's decentralized ledger system. The paper investigates a hybrid Blockchain-AI framework that can overcome the main drawbacks of existing DSS systems. This means that AI predictive analytics and machine learning models can match massive datasets for decision making, while blockchain guarantees the integrity, traceability, and decentralization of the data's inputs and outputs. Smart contracts: automate decision processes & ensure tamper-proof execution for defined set of rules & policies In addition, blockchain consensus mechanisms (e.g., Proof-of-Stake, Byzantine Fault Tolerance) can facilitate transparency and verifiability, thus improving conflict-avoiding distributed decision-making. To enable privacy-preserving collaboration between organizations, we introduce a new Decentralized AI Decision Support System (Dai-DSS) framework that integrates federated learning and a distributed ledger. It enables real-time data sharing while preserving data sovereignty, which helps organizations comply with regulatory standards such as GDRP and HIPAA. We are also looking at various optimization techniques such as off-chain scaling solutions (sidechains, Layer-2 protocols, etc.) that improve system efficiency while still keeping the system decentralized. Our research shows that by comparing with the traditional DSS models, the Blockchain-AI integration strengthens system resilience, improves the elimination of single point failure and facilitates open, trustless decision-making processes. Practical applications and the benefits of the proposed model are demonstrated through case studies in healthcare, finance, and supply chain management. Lastly, we address the challenges including computational overhead, interoperability and regulatory challenges, and suggest future research avenues on AI-augmented consensus algorithms and quantum-resistant cryptography. The research demonstrates the ability of Blockchain-AI synergy to revolutionize decision-making systems through decentralized, clean, and scalable operating frameworks across industries.